2018 GMC Terrain Technical Service Bulletins

1,345 technical service bulletins (TSBs) are on record for the 2018 GMC Terrain. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10169357Nov 26, 2019Equipment. This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
• 10169355Nov 25, 2019Equipment. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
• 10169310Nov 22, 2019Electrical system. This technical bulletin provides a procedure to reprogram the IPC to correct a condition of Speedometer and/or Tachometer Needle May Be Incorrect by Up to 6 Degrees due to a calibration concern.
• 10169267Nov 22, 2019Electrical system. This technical bulletin provides repair information to correct a customer concern of Start/Stop Performance, Hesitation From a Stop, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0132 and/or P0138 Set.
• 10168978Nov 22, 2019Transmission and drivetrain. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
• 10169264Nov 21, 2019Transmission and drivetrain. This technical bulletin provides a procedure to replace the left front half shaft with the PN# listed below which has a dampener to correct this issue.
• 10169318Nov 19, 2019Brakes. This technical bulletin provides a procedure for a squeak and/or creak type noise heard when applying the brake and/or cycling the pedal while in park.
• 10169298Nov 13, 2019Transmission and drivetrain. Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 10169356Nov 12, 2019Equipment, Wheels, Tires. This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
• 10169354Nov 12, 2019Equipment, Exterior lighting. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
• 10168960Nov 12, 2019Brakes, Wheels. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 10169313Nov 6, 2019Electrical system. This technical bulletin provides a procedure to program the ECm to correct a false code that may set.
• 10169307Nov 5, 2019Electrical system. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.
• 10168956Nov 5, 2019Electrical system. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2.
• 10169335Nov 4, 2019Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of Radio Favorites Grayed Out or Unavailable At Times.
• 10169268Nov 4, 2019Equipment. This Technical bulletin provides a procedure for dealers/technicians on the release of Radio Software Version 22.8 Over-the-Air Update.
• 10169314Nov 1, 2019Visibility (wipers, defrost, mirrors), Equipment. This technical bulletin provides repair information to correct a customer concern of the sunroof and/or sunshade inoperative.
• 10168212Oct 29, 2019Transmission and drivetrain. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
• 10167467Oct 29, 2019Electrical system. This Preliminary information communicates a terminal issue at the K77 Remote Control Door Lock Receiver causing No Fob Detected message, Keyless Entry inoperative or Service Tire Monitor message.
• 10167456Oct 22, 2019Engine cooling. This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble Code P1101. Technician should look for a missing or damaged O-ring seal in the charge air cooler coupler.
• 10167455Oct 22, 2019Equipment. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
• 10168192Oct 21, 2019Transmission and drivetrain. This informational bulletin advises the tech of a possible normal condition caused when the transmission performs a 1-2 upshift at light throttle and why the D in the PRNDL will flash.
• 10167451Oct 21, 2019Fuel system. This Preliminary information communicates an issue inside the fuel tank where the fuel vent hose may be disconnected from the fuel pump module assembly and recommended repair procedures.
• 10168197Oct 17, 2019Fuel system. This informational bulletin explains how to identify possible DEF contamination.
• 10167448Oct 17, 2019Engine cooling. This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination.
• 10168207Oct 16, 2019Equipment. This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).
• 10168194Oct 15, 2019Brakes. This technical bulletin provides a procedure for a squeak and/or creak type noise heard when applying the brake and/or cycling the pedal while in park.
• 10167443Oct 15, 2019Steering. This preliminary information is created to make the service technician aware of a condition where the ground for the steering module may not have a sufficient ground path.
• 10168209Oct 14, 2019Engine cooling. This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
• 10168175Oct 14, 2019Transmission and drivetrain. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
• 10167437Oct 14, 2019Engine. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
• 10168234Oct 11, 2019Brakes. This technical bulletin provides repair information to correct a customer concern of Service Calibration for Service ESC and/or Service Park Brake Messages.
• 10167434Oct 10, 2019Electrical system. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be…
• 10168227Oct 9, 2019Equipment. This technical bulletin provides repair information to correct a customer concern of a accessory front floor liner warped, bent inward.
• 10168208Oct 9, 2019Equipment. This informational bulletin provides information on key code security and information on GM key code look up applications.
• 10168205Oct 9, 2019Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10167429Oct 8, 2019Engine cooling. This Preliminary information communicates the following to the dealer. If an engine oil leak has been isolated to the front crankshaft seal, check for misfires low engine compression and/or cylinder leakage readings. These issues could cause excessive positive crankcase pressure leading to engine oil leaks.
• 10167425Oct 3, 2019Forward collision avoidance. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
• 10168204Oct 2, 2019Equipment. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
• 10168188Oct 2, 2019Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
• 10166665Sep 30, 2019Fuel system. This Informational Bulletin provides information on availability of Diesel Fuel additives.
• 10166667Sep 26, 2019Visibility (wipers, defrost, mirrors). This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a loose rear wiper arm.
• 10165911Sep 26, 2019Engine cooling. This Preliminary information communicates the following to the dealer. If an engine oil leak has been isolated to the front crankshaft seal, check for misfires low engine compression and/or cylinder leakage readings. These issues could cause excessive positive crankcase pressure leading to engine oil leaks.
• 10165910Sep 26, 2019Electrical system. This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug.
• 10165904Sep 25, 2019Electrical system. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
• 10165900Sep 23, 2019Equipment. This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.
• 10166638Sep 18, 2019Equipment. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10165893Sep 18, 2019Lane departure, Electrical system. This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from…
• 10165889Sep 16, 2019Equipment. This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.
• 10166647Sep 11, 2019Equipment. This technical bulletin provides a procedure for air conditioning refrigerant desiccant replacement due to A/C Not Cooling or refrigerant loss.

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